linux-kernel - Re: [PATCH rdma-next 0/2] Add gratuitous ARP support to RDMA-CM

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Date:   Fri, 29 Apr 2022 19:23:46 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Olga Kornievskaia <aglo@...ch.edu>
Cc:     Jason Gunthorpe <jgg@...dia.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-rdma <linux-rdma@...r.kernel.org>,
        Mark Zhang <markzhang@...dia.com>,
        Patrisious Haddad <phaddad@...dia.com>
Subject: Re: [PATCH rdma-next 0/2] Add gratuitous ARP support to RDMA-CM

On Fri, Apr 29, 2022 at 12:07:09PM -0400, Olga Kornievskaia wrote:
> Hi Leon,
> 
> Are these the 2 patches that are supposed to fix: [Bug 214523] New:
> RDMA Mellanox RoCE drivers are unresponsive to ARP updates during a
> reconnect?

Yes, you are right.

> 
> I could be wrong but I don't think they made it into the 5.18 pull, correct?

This is correct too.

Thanks

> 
> Thank you.
> 
> On Mon, Apr 4, 2022 at 8:36 AM Leon Romanovsky <leon@...nel.org> wrote:
> >
> > From: Leon Romanovsky <leonro@...dia.com>
> >
> > In this series, Patrisious adds gratuitous ARP support to RDMA-CM, in
> > order to speed up migration failover from one node to another.
> >
> > Thanks
> >
> > Patrisious Haddad (2):
> >   RDMA/core: Add an rb_tree that stores cm_ids sorted by ifindex and
> >     remote IP
> >   RDMA/core: Add a netevent notifier to cma
> >
> >  drivers/infiniband/core/cma.c      | 260 +++++++++++++++++++++++++++--
> >  drivers/infiniband/core/cma_priv.h |   1 +
> >  2 files changed, 249 insertions(+), 12 deletions(-)
> >
> > --
> > 2.35.1
> >